September weather forecastRobles Junction, AZ
September
Weather in September
September, the first month of the autumn in Robles Junction, is still a tropical month, with temperature in the range of an average high of 90°F (32.2°C) and an average low of 71.8°F (22.1°C).Temperature
September begins with an average high-temperature of a still tropical 90°F (32.2°C), reflecting close similarity to the preceding month. In Robles Junction, an average nighttime temperature of 71.8°F (22.1°C) is expected during September.Heat index
The heat index value during September is appraised at a hot 91.4°F (33°C). More protective measures are required - heat exhaustion and heat cramps are likely. Heatstroke may follow lengthy activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The individual's impression of temperature can be affected by numerous factors such as metabolic variations, physical exertion, and attire. Direct sun exposure is noteworthy in its ability to escalate the felt temperature, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are quite important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
In September, the average relative humidity is 40%.Rainfall
In Robles Junction, during September, the rain falls for 10.5 days and regularly aggregates up to 1.73" (44mm) of precipitation. In Robles Junction, during the entire year, the rain falls for 77.7 days and collects up to 11.57" (294mm) of precipitation.Snowfall
In Robles Junction, snow does not fall in February through December.Daylight
In September, the average length of the day in Robles Junction is 12h and 21min.On the first day of the month, sunrise is at 6:01 am and sunset at 6:48 pm. On the last day of September, in Robles Junction, sunrise is at 6:19 am and sunset at 6:10 pm MST.
Sunshine
The average sunshine in September in Robles Junction, Arizona, is 9.6h.UV index
In Robles Junction, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Embrace precautions and observe sun safety norms. Evasion of sunburn is a necessity. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Robles Junction, AZ
- Average high temperature in September: 90°F
The warmest month (with the highest average high temperature) is June (97.2°F).
The month with the lowest average high temperature is December (61.7°F).
- Average low temperature in September: 71.8°F
The month with the highest average low temperature is July (77.5°F).
The coldest months (with the lowest average low temperature) are January and December (44.2°F).
Average pressure in September
Robles Junction, AZ
- Average pressure in September: 29.86"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Robles Junction, AZ
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).
Average humidity in September
Robles Junction, AZ
- Average humidity in September: 40%
The month with the highest relative humidity is December (45%).
The month with the lowest relative humidity is June (20%).
Average rainfall in September
Robles Junction, AZ
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (2.64").
The driest months (with the least rainfall) are April and May (0.2").
Average rainfall days in September
Robles Junction, AZ
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is May (2.3 days).
Average snowfall in September
Robles Junction, AZ
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in September
Robles Junction, AZ
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Robles Junction, AZ
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Robles Junction, AZ
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is May (28.6 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Robles Junction, AZ
- Average UV index in September: 7
The month with the highest UV index is June (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Robles Junction, AZ
- Average cloud cover in September: 13
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in September
Robles Junction, AZ
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
